Sternpost-mounted rudders pib tshwm sim ntawm Suav nkoj qauv pib nyob rau hauv the 1st century AD. Txawm li cas los xij, cov neeg Suav tau txuas ntxiv siv lub kauj tsheb ntev tom qab lawv tau tsim lub tsheb kauj vab, txij li lub kauj tsheb tseem muaj kev txwv tsis pub siv rau kev mus ncig hauv dej nrawm.
Thaum twg Sternpost rudder tsim?
Tuam Tshoj Ancient
Sternpost-mounted rudders pib tshwm sim ntawm Suav nkoj qauv pib nyob rau hauv the 1st century AD. Txawm li cas los xij, cov neeg Suav tau txuas ntxiv siv lub kauj tsheb ntev tom qab lawv tau tsim lub tsheb kauj vab, txij li lub kauj tsheb tseem muaj kev txwv tsis pub siv rau kev mus ncig hauv dej nrawm.
Sternpost rudder yog dab tsi?
"Lub stern-post rudder [yog a] steering device mounted rau sab nraum los yog rear ntawm lub hull. [Nws] tuaj yeem txo qis lossis tsa raws li qhov tob ntawm dej. Hom rudder no ua rau nws muaj peev xwm taug kev hla cov chaw nres nkoj uas muaj neeg coob coob, txoj kab nqaim, thiab dej ntws nrawm."
Sternpost rudder siv li cas?
Thib ob, kev saws me nyuam sternpost rudder ua kom muaj zog ntau ntxiv, tso cai rau cov nkoj kom tau txais txiaj ntsig zoo ntawm lawv lub zog sai sai hauv kev sib tw rau hauv qhov tsis sib xws. Qhov thib peb, qhov kev taw qhia ntawm cov hlau nplaum sib nqus muab ib txoj hauv kev tshawb xyuas kev taug kev ntawm ntug hiav txwv qhib hauv txhua lub huab cua.
Yuav ua li cas yog lub pintle thiab gudgeon stern mounted rudder?
Ib txwm Greco-Romanrudder muab txoj hauv kev rau kev siv zog ntau dua medieval rudder, uas txhim kho tag nrho kev ua tau zoo ntawm lub quarter-rudder system. mus nrhiav ib lub cuab yeej tshiab. Qhov tshwm sim yog ib tug rudder mounted rau stern los ntawm a pob khawm hu ua pintle-and-gudgeon.
